| Vendor | Spec | Unit | Price | Currency | Date |
| JIN Yimeng | China national standards | MT | 745.9 | USD | 20250930 |
| Shandong Langchem | China national standards | MT | 851.45 | USD | 20250930 |
| Shandong Langchem | China national standards | MT | 865.53 | USD | 20250930 |
| Shandong Junfeng | China national standards | MT | 774.05 | USD | 20250930 |
| Shandong Junfeng | China national standards | MT | 788.12 | USD | 20250930 |
| Aite Zhejiang | China national standards | MT | 703.68 | USD | 20250930 |
| Aite Zhejiang | China national standards | MT | 703.68 | USD | 20250930 |
| Yankuang Guotai Chem | China national standards | MT | 830.34 | USD | 20250930 |
| JIN Yimeng | China national standards | MT | 844.42 | USD | 20250930 |
| Shandong Yeyang Chem | China national standards | MT | 759.97 | USD | 20250930 |